Clip-on task light



FIG. 1 is a top perspective view of a clip-on task light showing my new design;

FIG. 2 is a left side elevation view thereof, the right side being a mirror image thereof;

FIG. 3 is a back elevation view thereof; and,

FIG. 4 is a front elevation view thereof.

The subject matter shown in broken lines forms no part of the claimed design. The bottom view forms no part of the claimed design. 

The ornamental desgn for a clip-on task light, as shown and described. 